| Kettering to Ridgeland (Mississippi) | 4,459.05 mi (7,176.15 km) |
| Kettering to Ridgewood (New Jersey) | 3,410.76 mi (5,489.09 km) |
| Kettering to Rifle (Colorado) | 4,733.72 mi (7,618.19 km) |
| Kettering to Rincon (Georgia) | 4,107.60 mi (6,610.54 km) |
| Kettering to Ringwood (New Jersey) | 3,411.80 mi (5,490.77 km) |
| Kettering to Río Grande (Puerto Rico) | 4,175.40 mi (6,719.65 km) |
| Kettering to Rio Grande City (Texas) | 5,115.56 mi (8,232.69 km) |
| Kettering to Rio Linda (California) | 5,210.45 mi (8,385.41 km) |
| Kettering to Rio Rancho (New Mexico) | 4,926.61 mi (7,928.61 km) |
| Kettering to Rio Rico (Arizona) | 5,284.81 mi (8,505.07 km) |
| Kettering to Ripon (California) | 5,256.22 mi (8,459.07 km) |
| Kettering to River Edge (New Jersey) | 3,410.22 mi (5,488.22 km) |
| Kettering to River Falls (Wisconsin) | 3,939.14 mi (6,339.43 km) |
| Kettering to River Forest (Illinois) | 3,903.35 mi (6,281.84 km) |
| Kettering to River Grove (Illinois) | 3,902.66 mi (6,280.73 km) |
